Home / 200,112.39-276,161.69-109,466.28

Finding the Fourth Proportional to 200,112.39, 276,161.69 and 109,466.28

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Solution

The fourth proportional to 200,112.39, 276,161.69 and 109,466.28 is: 151,067.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,112.39 : 276,161.69 = 109,466.28 : x
  2. Step 2: Convert to fraction form
    200,112.39/276,161.69 = 109,466.28/x
  3. Step 3: Cross multiply
    200,112.39x = 276,161.69 × 109,466.28
  4. Step 4: Simplify right side
    200,112.39x = 30,230,392,882.81
  5. Step 5: Solve for x
    x = 30,230,392,882.81/200,112.39
  6. Step 6: Final answer
    x = 151,067.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.